使用docker搭建zk集群

使用zk搭建一个3节点的zk集群,网络方式为host。

配置节点1

# 创建一个目录
/root/lyl/zookeeper/zk1

创建文件myid,文件内容如下:

1

创建文件zoo.cfg,文件内容如下:

# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial 
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between 
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just 
# example sakes.
dataDir=/data
# the port at which the clients will connect
clientPort=2181
# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the 
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1

4lw.commands.whitelist=ruok,srvr,stat,conf

server.1=localhost:2888:3888
server.2=localhost:2889:3889
server.3=localhost:2890:3890

创建启动文件startzk.sh,文件内容如下:

#!/bin/sh

docker rm -f myzookeeper1

docker run --network host  -v /root/lyl/zookeeper/zk1/myid:/data/myid  -v /root/lyl/zookeeper/zk1/zoo.cfg:/conf/zoo.cfg  --name myzookeeper1  --restart always -d zookeeper:3.9.2

完成。

配置节点2

# 创建一个目录
/root/lyl/zookeeper/zk2

创建文件myid,文件内容如下:

2

创建文件zoo.cfg,文件内容如下:

# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial 
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between 
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just 
# example sakes.
dataDir=/data
# the port at which the clients will connect
clientPort=2182
# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the 
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1

4lw.commands.whitelist=ruok,srvr,stat,conf

server.1=localhost:2888:3888
server.2=localhost:2889:3889
server.3=localhost:2890:3890

创建启动文件startzk.sh,文件内容如下:

#!/bin/sh

docker rm -f myzookeeper2

docker run --network host  -v /root/lyl/zookeeper/zk2/myid:/data/myid  -v /root/lyl/zookeeper/zk2/zoo.cfg:/conf/zoo.cfg  --name myzookeeper2  --restart always -d zookeeper:3.9.2

完成节点2配置。

配置节点3

# 创建一个目录
/root/lyl/zookeeper/zk3

创建文件myid,文件内容如下:

3

创建文件zoo.cfg,文件内容如下:

# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial 
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between 
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just 
# example sakes.
dataDir=/data
# the port at which the clients will connect
clientPort=2183
# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the 
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1

4lw.commands.whitelist=ruok,srvr,stat,conf

server.1=localhost:2888:3888
server.2=localhost:2889:3889
server.3=localhost:2890:3890

创建启动文件startzk.sh,文件内容如下:

#!/bin/sh

docker rm -f myzookeeper3

docker run --network host  -v /root/lyl/zookeeper/zk3/myid:/data/myid  -v /root/lyl/zookeeper/zk3/zoo.cfg:/conf/zoo.cfg  --name myzookeeper3  --restart always -d zookeeper:3.9.2

完成。

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